The Word Spy spotted bashtag, “the use of a corporation’s Twitter hashtag to bash the company’s products”; cyberflaneur, “a person who surfs the web with no purpose beyond curiosity and inquisitiveness”; and slacklining, “a sport that involves walking or balancing on a slack nylon webbing suspended between two points,” as demonstrated by “that guy in a toga bouncing crazily on a rope next to Madonna” during Sunday’s Super Bowl halftime show.